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HTTP Status Codes

You are browsing some sites or testing your own web applications, and suddenly you receive a white screen with some error number ! No worries, if you are getting some error message me...

In Jul 02, 2019

Sending Email Using Python and smtplib

We can easily send email from python script using smtplib module, which defines an SMTP client session object that can be used to send mail to any Internet machine with an SMTP or ESM...

In Jun 13, 2019

Learn the basics of Linux from Red Hat

Red Hat is offering its beginner level Linux course at no-cost; yes you heard it right – Its free ! Red Hat Enterprise Linux Technical Overview (RH024) is offering as Video Classroom ...

In Feb 25, 2019

How to delete a pod with Terminating state in OpenShift or Kubernetes Cluster

There might be situations where you have already deleted pods (or already removed dc aka deployment configuration) but pods are stuck in Terminating state. There are few suggestions i...

In Jan 24, 2019

How to Fix a Failed PV in OpenShift Cluster

There are several cases a PV (PhysicalVolume) appear as Failed in OpenShift or Kubernetes cluster. Once of the reason is wrong ClaimRef by which PV will mark as claimed but actually n...

In Nov 16, 2018

OpenShift Cluster – How to Drain or Evacuate a Node for Maintenance

As we know OpenShift clusters are bundled with multiple compute nodes, master nodes, infra nodes etc, it’s not a big deal to manage node maintenance for OS patching kind of activities...

In Nov 07, 2018